Identify al the sets to which the number 3.1214122144...belongs.

Question

A.) Rational**
B.) Irrational
C.) Integer, Rational
D.) Whole number, Integer, Rational

Answer 1

no obvious repeat can be seen in the decimal, but the "..." shows an infinite number of decimals, so
as it stands I would label it irrational

Answer 2

I said that it was irrational but I was told by someone else that is was rational.

Answer 3

its irrational